<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        {{msg|filterMsg}}
    </div>
    <script src="../20211018/vue.js"></script>
    
    <script>
        let myApp=new Vue({
            el:'#app',
            data:{
                msg:'this is my name'
            },
            methods:{},
            filters:{
                filterMsg(value){
                    console.log('value---',value)

                    return value.split('').reverse().join('')
                }
            }
        })
    </script>
</body>
</html>